Sha256: 2cd320a82e2a4c050a8ffed4779277cd29da916595e3c39df07b2f066793399e
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Size: 884 Bytes
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Contents
module Nanoc::Helpers
# @see http://nanoc.ws/doc/reference/helpers/#breadcrumbs
module Breadcrumbs
class CannotGetBreadcrumbsForNonLegacyItem < Nanoc::Int::Errors::Generic
def initialize(identifier)
super("You cannot build a breadcrumbs trail for an item that has a “full” identifier (#{identifier}). Doing so is only possible for items that have a legacy identifier.")
end
end
# @return [Array]
def breadcrumbs_trail
unless @item.identifier.legacy?
raise CannotGetBreadcrumbsForNonLegacyItem.new(@item.identifier)
end
trail = []
idx_start = 0
loop do
idx = @item.identifier.to_s.index('/', idx_start)
break if idx.nil?
idx_start = idx + 1
identifier = @item.identifier.to_s[0..idx]
trail << @items[identifier]
end
trail
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems